package com.example.demo.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.demo.entity.ExLetters;

/**
* @author admin
* @description 针对表【ex_letters】的数据库操作Service
* @createDate 2024-02-19 15:55:39
*/
public interface ExLettersService extends IService<ExLetters> {

}
